Azithromycin-d3

Name: Azithromycin-d3
Brand: Vaqora Chemicals
SKU: VQ-029338

About Azithromycin-d3

Listed under CAS 163921-65-1, Azithromycin-d3 is a stable isotope labelled analogue related to Azithromycin available from Vaqora Chemicals. The compound has the formula C38H72N2O12, corresponding to a molecular weight of 752.0 g/mol.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Azithromycin and related analytes in bioanalytical, pharmacokinetic and impurity studies. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Azithromycin

View every impurity, metabolite and intermediate we list for Azithromycin.

Azithromycin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Azithromycin-d3
Catalogue No.	VQ-029338
CAS Number	163921-65-1
IUPAC name	(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,8,10,12,14-hexamethyl-6-(trideuteriomethyl)-1-oxa-6-azacyclopentadecan-15-one
Molecular formula	C₃₈H₇₂N₂O₁₂
Molecular weight	752 g/mol
Exact mass	751.5274
Grade	Reference Standard
HSN code	38229090
InChIKey	MQTOSJVFKKJCRP-DAANATKPSA-N
SMILES	[2H]C([2H])([2H])N1C[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O[C@@H]([C@@]([C@@H]([C@H]1C)O)(C)O)CC)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)O)C
PubChem CID	71313607

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	5 / 14
TPSA	180 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Azithromycin-d3?

The CAS Registry Number of Azithromycin-d3 is 163921-65-1.

What is the molecular formula and molecular weight of Azithromycin-d3?

Azithromycin-d3 has the molecular formula C38H72N2O12 and a molecular weight of 752 g/mol.

What is Azithromycin-d3 used for?

Azithromycin-d3 is supplied as a characterised reference material related to Azithromycin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Azithromycin-d3 can I order?

We supply Azithromycin-d3 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Azithromycin-d3?

Yes. Every lot of Azithromycin-d3 is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Azithromycin-d3 be shipped internationally?

Yes. We export Azithromycin-d3 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.